Dedication iii
Abstract 317
Introduction 319
Objectives 320
Methods 320
Species Accounts 322
Major Collecting Sites 322
Lowland Sites (Below 500 m) 323
Isolated Highland Sites (Above 1400 m) 328
Upland Sites (Between 500–1400 m) 329
Abbreviations of Scientific Collections Used 329
Identification of Specimens 330
Key to the Orders of Amphibia of Guyana 332
Key to the Families and Many Species of Anura (Frogs and Toads) of Guyana 332
Key to Frogs of the Families Allophrynidae and Centrolenidae of Guyana 335
Key to Frogs of the Families Aromobatidae and Dendrobatidae of Guyana 336
Key to Frogs and Toads of the Family Bufonidae of Guyana 338
Key to Frogs of the Families Ceuthomantidae, Craugastoridae, and Eleutherodactylidae of Guyana 339
Key to Frogs of the Family Hemiphractidae (Stefania) of Guyana 340
Key to Frogs of the Family Hylidae of Guyana 341
Key to Hylid Frogs of the Genus Phyllomedusa...